BSM insider trading — Black Stone Minerals, L.P.
Over the last 90 days, insiders at Black Stone Minerals, L.P. (BSM) made 0 open-market purchases worth $0 and 1 open-market sale worth $28.10M, making them net sellers by $28.10M. The largest sale was by Whitehead James (Director), who sold 2,127,105 shares for $28.10M on Aug 6, 2026.
Updated Oct 16, 2026.
Recent BSM insider transactions
Every Form 4 filed by Black Stone Minerals, L.P. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Stuart Alexander D. | Director | A · Grant/award | Direct | 1,658 | $14.32 | $24K | Form 4 |
| Oct 2, 2026 | Kyle Jerry V. Jr. | Director | A · Grant/award | Direct | 1,309 | $14.32 | $19K | Form 4 |
| Oct 2, 2026 | Randall William E. | Director | A · Grant/award | Direct | 1,571 | $14.32 | $22K | Form 4 |
| Oct 2, 2026 | Dewalch D Mark | Director | A · Grant/award | Direct | 1,309 | $14.32 | $19K | Form 4 |
| Oct 2, 2026 | Hamman Anne Lenoir | Director | A · Grant/award | Direct | 1,309 | $14.32 | $19K | Form 4 |
| Aug 18, 2026 | Stuart Alexander D. | Director | G · Gift | Direct | 15,900 | — | — | Form 4 |
| Aug 6, 2026 | Whitehead James | Director | S · Sale | Indirect | 2,127,105 | $13.21 | $28.10M | Form 4 |
| Jul 31, 2026 | Kyle Jerry V. Jr. | Director | J · Other | Indirect | 7,665 | — | — | Form 4 |
BSM insider trading FAQ
Are insiders buying BSM stock?
Not on the open market. In the last 90 days, Black Stone Minerals, L.P. insiders made no open-market purchases, and 1 open-market sale totaling $28.10M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading BSM?
Recent sellers: Whitehead James.
Where does BSM insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
More stocks with insider activity
Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.